A big part of it was the dark you had to avoid it at all cost, you played as an old man, its the end of the world and you have to survive for as long as you can, to survive you had to make sure you have firewood, food and oil? I think, it was something to keep the lights on in your cottage. The game had a very heavy atmosphere and a few jump scares but nothing too cheap.
I think one of the opening lines was something about how humans fear the unknown
